Finding the Fourth Proportional to 40,738.29, 56,198.25 and 30,109.47

Step by Step Solution

1. Step 1: Write the proportion equation
   40,738.29 : 56,198.25 = 30,109.47 : x
2. Step 2: Convert to fraction form
   40,738.29/56,198.25 = 30,109.47/x
3. Step 3: Cross multiply
   40,738.29x = 56,198.25 × 30,109.47
4. Step 4: Simplify right side
   40,738.29x = 1,692,099,522.43
5. Step 5: Solve for x
   x = 1,692,099,522.43/40,738.29
6. Step 6: Final answer
   x = 41,535.85